2012). Have a trap door (operculum) to protect their soft tissues when withdrawn into the shell. A comparatively large freshwater snail, up to 100 mm in length. Golden apple snail. China, which was due to the consumption of raw P. canaliculata snails, was 16 days with a range of 3–50 days (Lv et al., 2009a). Their mantle cavity contains both a ctenidium (gill) and a portion modified as a pulmonary sacs or “lung”. The golden apple snail, Pomacea canaliculata (Lamarck), which originated from South America, was introduced into Asia as a human food in the early 1980s (Halwart, 1994, Joshi, 2007).Now, it has become a serious pest of many agricultural crops in Asia. In shape, golden apple snails are generally globose, but the size and appearance of the shell is highly variable. Appearance/Characteristics . Originally, it came from South America via Taiwan. They were introduced to Asia, from South America, in the 1980s as potential food for people, but it unfortunately became a major pest of rice. Detailed characteristics distinguishing between P. canaliculata and P. maculata, including egg morphology, shell features and internal anatomy of adult snails, have been provided (Hayes et al. Pomacea canaliculata is a species of large, globular, freshwater snail native to tropical and sub-tropical South America. Their name comes from the deep groves between the whorls on their shell. A comparatively large freshwater snail, up to 100 mm in length. Pomacea Canaliculata are amphibious, both in physiology and behaviour. At Pomacea canaliculata can disperse rapidly and – according to habitat characteristics Their shells have 5 to 6 whorls separated by a deep groove or “channel”. Two species, Pomacea canaliculata and Pomacea maculata, commonly known as Golden Apple Snails, are highly invasive and cause damage to rice crops. Pomacea canaliculata (Lamarck, 1822) Common Name . Pomacea canaliculata (Lamarck, 1822) Common Name . In shape, golden apple snails are generally globose, but the size and appearance of the shell is highly variable. Golden apple snail. In this study, we describe the morphology of the newly discovered invasive Pomacea species, focusing on how it is distinct from P. canaliculata and P. Their shells have 5 to 6 whorls separated by a deep groove or “channel”. The estimated mean incubation period among 33 patients in a recent outbreak in Dali, P.R. Appearance/Characteristics . Introduction. The wide natural range of Pomacea canaliculata suggests its great plasticity endogenous and exogenous factors (Estebenet and Martín, 2002), a feature repeatedly seen in the invaded areas of Southeast Asia, demonstrating its great adaptive capacity. Introduction The Golden Apple Snail (GAS), Pomacea canaliculata (Lamarck, 1822), popularly known in the Philippines as "golden kuhol", was introduced into the Philippines between 1982 and 1984. Channeled apple snail, Pomacea canaliculata General Description Channeled apple snails (CAS) are large, freshwater snails that grow to over 3 inches in length. There are more than 100 species of apple snail that exists. Keywords: Pomacea canaliculata, golden apple snail, shell shape, geometric morphometrics, CORIANDIS. have gills, but can survive for extended periods exposed to air. This outbreak was linked to the consumption of Pomacea canaliculata snails, a freshwater species. Shell coloration of channeled apple snails is … In southern China, the snails grow and reproduce from mid-spring to late autumn, and seriously … Channeled apple snails (CAS) are large, freshwater snails that grow to over 3 inches in length. (Pomacea canaliculata) General Description. 1. 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